[INFO] cloning repository https://github.com/triamero/advent-of-code-2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/triamero/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f8f65fde4a596146c8203a989051f2d4f4fff55
[INFO] testing triamero/advent-of-code-2018 against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftriamero%2Fadvent-of-code-2018" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/triamero/advent-of-code-2018
[INFO] finished tweaking git repo https://github.com/triamero/advent-of-code-2018
[INFO] tweaked toml for git repo https://github.com/triamero/advent-of-code-2018 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/triamero/advent-of-code-2018 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/triamero/advent-of-code-2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62cc18c9864e588668e96c7d584bbaea7a6de4f8b13a005366877339e0cf8484
[INFO] running `Command { std: "docker" "start" "-a" "62cc18c9864e588668e96c7d584bbaea7a6de4f8b13a005366877339e0cf8484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62cc18c9864e588668e96c7d584bbaea7a6de4f8b13a005366877339e0cf8484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62cc18c9864e588668e96c7d584bbaea7a6de4f8b13a005366877339e0cf8484", kill_on_drop: false }`
[INFO] [stdout] 62cc18c9864e588668e96c7d584bbaea7a6de4f8b13a005366877339e0cf8484
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4587bb99a48e817c3cd83834a72953d4dc7d6d321d1027c61f824896c6be66a4
[INFO] running `Command { std: "docker" "start" "-a" "4587bb99a48e817c3cd83834a72953d4dc7d6d321d1027c61f824896c6be66a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day5` is never constructed
[INFO] [stdout]  --> src/days/day5.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day5();
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "4587bb99a48e817c3cd83834a72953d4dc7d6d321d1027c61f824896c6be66a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4587bb99a48e817c3cd83834a72953d4dc7d6d321d1027c61f824896c6be66a4", kill_on_drop: false }`
[INFO] [stdout] 4587bb99a48e817c3cd83834a72953d4dc7d6d321d1027c61f824896c6be66a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e061c07e8ed4068cce919b75a6afa3fb451a50716997d9b2d9c2c35f314120ff
[INFO] running `Command { std: "docker" "start" "-a" "e061c07e8ed4068cce919b75a6afa3fb451a50716997d9b2d9c2c35f314120ff", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day5` is never constructed
[INFO] [stdout]  --> src/days/day5.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day5();
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> tests/day4/compute_first_test.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         let result = Day4().compute_first(&data);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `infos`
[INFO] [stdout]   --> src/days/day4.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stdout]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `guard_id` is never read
[INFO] [stdout]   --> src/days/day4.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut guard_id = -1;
[INFO] [stdout]    |                            ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day4.rs:47:30
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `has_change` is assigned to, but never used
[INFO] [stdout]   --> src/days/day5.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_has_change` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `has_change` is never read
[INFO] [stdout]   --> src/days/day5.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |             has_change = false;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/days/day5.rs:68:30
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stdout]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Guard` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct Guard {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GuardAction` is never constructed
[INFO] [stdout]   --> src/days/day4.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct GuardAction {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Day5` is never constructed
[INFO] [stdout]  --> src/days/day5.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Day5();
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> src/utils.rs:8:26
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stdout]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]   |
[INFO] [stdout] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stdout] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "e061c07e8ed4068cce919b75a6afa3fb451a50716997d9b2d9c2c35f314120ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e061c07e8ed4068cce919b75a6afa3fb451a50716997d9b2d9c2c35f314120ff", kill_on_drop: false }`
[INFO] [stdout] e061c07e8ed4068cce919b75a6afa3fb451a50716997d9b2d9c2c35f314120ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b19953cb94daf83b7fac30b174cbf68da1c66a4c98db8c2c2c58c7c9106f2ab5
[INFO] running `Command { std: "docker" "start" "-a" "b19953cb94daf83b7fac30b174cbf68da1c66a4c98db8c2c2c58c7c9106f2ab5", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/days/day4.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `infos`
[INFO] [stderr]   --> src/days/day4.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut infos: Vec<(i32, Vec<bool>)> = Vec::new();
[INFO] [stderr]    |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_infos`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `guard_id` is never read
[INFO] [stderr]   --> src/days/day4.rs:22:28
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let mut guard_id = -1;
[INFO] [stderr]    |                            ^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/days/day4.rs:47:30
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `has_change` is assigned to, but never used
[INFO] [stderr]   --> src/days/day5.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut has_change = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_has_change` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `has_change` is never read
[INFO] [stderr]   --> src/days/day5.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |             has_change = false;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `input`
[INFO] [stderr]   --> src/days/day5.rs:68:30
[INFO] [stderr]    |
[INFO] [stderr] 68 |     fn compute_second(&self, input: &Vec<String>) -> DayResult {
[INFO] [stderr]    |                              ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Guard` is never constructed
[INFO] [stderr]   --> src/days/day4.rs:52:8
[INFO] [stderr]    |
[INFO] [stderr] 52 | struct Guard {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `GuardAction` is never constructed
[INFO] [stderr]   --> src/days/day4.rs:56:8
[INFO] [stderr]    |
[INFO] [stderr] 56 | struct GuardAction {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]  --> src/utils.rs:8:26
[INFO] [stderr]   |
[INFO] [stderr] 8 |         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stderr]   |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]   = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stderr]   = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here
[INFO] [stderr]   = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]   |
[INFO] [stderr] 8 -         Err(_) => panic!(format!("File '{}' not found", filename))
[INFO] [stderr] 8 +         Err(_) => panic!("File '{}' not found", filename)
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code` (lib) generated 10 warnings (run `cargo fix --lib -p advent_of_code` to apply 5 suggestions)
[INFO] [stderr] warning: `advent_of_code` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]   --> tests/day4/compute_first_test.rs:12:13
[INFO] [stderr]    |
[INFO] [stderr] 12 |         let result = Day4().compute_first(&data);
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Day5` is never constructed
[INFO] [stderr]  --> src/days/day5.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Day5();
[INFO] [stderr]   |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code` (test "lib") generated 1 warning (run `cargo fix --test "lib" -p advent_of_code` to apply 1 suggestion)
[INFO] [stderr] warning: `advent_of_code` (bin "advent_of_code" test) generated 11 warnings (10 duplicates)
[INFO] [stderr] warning: `advent_of_code` (bin "advent_of_code") generated 11 warnings (11 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/advent_of_code-7f4b73acdc792637)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code-573980c2e0f97a41)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-c850a337fd1ce0e2)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test day1::compute_second_tests::compute_second::compute_second_sample2 ... ok
[INFO] [stdout] test day1::compute_second_tests::compute_second::compute_second_sample1 ... ok
[INFO] [stdout] test day1::compute_first_tests::compute_first::compute_first_sample3 ... ok
[INFO] [stdout] test day1::compute_first_tests::compute_first::compute_first_sample1 ... ok
[INFO] [stdout] test day1::compute_first_tests::compute_first::compute_first_sample2 ... ok
[INFO] [stdout] test day1::compute_second_tests::compute_second::compute_second_sample3 ... ok
[INFO] [stdout] test day2::compute_first_tests::compute_first::first_sample1 ... ok
[INFO] [stdout] test day2::compute_second_tests::compute_second_tests::compute_second_sample1 ... ok
[INFO] [stdout] test day1::compute_second_tests::compute_second::compute_second_sample4 ... ok
[INFO] [stdout] test day4::compute_first_test::compute_first::compute_first_sample1 ... ok
[INFO] [stdout] test day3::compute_second_tests::compute_second::compute_second_sample1 ... ok
[INFO] [stdout] test day3::compute_first_tests::compute_first::compute_first_sample1 ... ok
[INFO] [stdout] test day5::compute_first_tests::compute_first::compute_first_sample1 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- day5::compute_first_tests::compute_first::compute_first_sample1 stdout ----
[INFO] [stdout] polymer dabAcCaCBAcCcaDA
[INFO] [stdout] current_char d
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char b
[INFO] [stdout] added
[INFO] [stdout] current_char A
[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] added
[INFO] [stdout] current_char B
[INFO] [stdout] added
[INFO] [stdout] current_char A
[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char D
[INFO] [stdout] current_char A
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] current_char b
[INFO] [stdout] added
[INFO] [stdout] current_char A
[INFO] [stdout] current_char c
[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char A
[INFO] [stdout] current_char b
[INFO] [stdout] current_char c
[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
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[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] current_char C
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char C
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] current_char c
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char c
[INFO] [stdout] current_char a
[INFO] [stdout] added
[INFO] [stdout] current_char a
[INFO] [stdout] 
[INFO] [stdout] thread 'day5::compute_first_tests::compute_first::compute_first_sample1' (39) panicked at tests/day5/compute_first_tests.rs:14:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 10
[INFO] [stdout]  right: 0
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x56e5108b9842 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x56e5108b9842 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x56e5108b9842 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x56e5108b9842 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x56e5108c998a - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x56e5108c998a - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x56e510888696 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x56e510888696 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x56e510898c59 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x56e510898c59 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x56e510898af1 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x56e51082209e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x56e51082209e - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x56e510898ed2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x56e510898ed2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x56e510898d18 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x56e510894249 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x56e51087d28d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x56e5108d0fbc - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x56e5108d0ed3 - core::panicking::assert_failed_inner::h5aabe811ef142622
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x56e5108a7a35 - core::panicking::assert_failed::h20f7214640306056
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x56e510802a27 - lib::day5::compute_first_tests::compute_first::compute_first_sample1::h3ce4f1e5b5f8818f
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/day5/compute_first_tests.rs:14:9
[INFO] [stdout]   22:     0x56e510802a77 - lib::day5::compute_first_tests::compute_first::compute_first_sample1::{{closure}}::hf69a246354950ed7
[INFO] [stdout]                                at /opt/rustwide/workdir/tests/day5/compute_first_tests.rs:9:31
[INFO] [stdout]   23:     0x56e510802eb6 - core::ops::function::FnOnce::call_once::heeb0623a127ea231
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x56e510821e9b - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x56e510821e9b - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x56e51083586a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x56e51083586a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x56e51083586a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   29:     0x56e51083586a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   30:     0x56e51083586a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x56e51083586a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x56e51083586a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x56e51080fcc4 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x56e51080fcc4 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   35:     0x56e510813582 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   36:     0x56e510813582 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x56e510813582 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   38:     0x56e510813582 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   39:     0x56e510813582 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x56e510813582 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   41:     0x56e510813582 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x56e51088f4df - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   43:     0x56e51088f4df - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   44:     0x7eebd7327aa4 - <unknown>
[INFO] [stdout]   45:     0x7eebd73b4a64 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     day5::compute_first_tests::compute_first::compute_first_sample1
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test lib`
[INFO] running `Command { std: "docker" "inspect" "b19953cb94daf83b7fac30b174cbf68da1c66a4c98db8c2c2c58c7c9106f2ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b19953cb94daf83b7fac30b174cbf68da1c66a4c98db8c2c2c58c7c9106f2ab5", kill_on_drop: false }`
[INFO] [stdout] b19953cb94daf83b7fac30b174cbf68da1c66a4c98db8c2c2c58c7c9106f2ab5
